package com.proyecto.xpdroid.http;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.ArrayList;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

public class SimpleHttpClient {
	 /** The time it takes for our client to timeout */
	    public static final int HTTP_TIMEOUT = 30 * 1000; // milliseconds

	    /** Single instance of our HttpClient */
	    private static HttpClient mHttpClient;

	    /**
	     * Get our single instance of our HttpClient object.
	     *
	     * @return an HttpClient object with connection parameters set
	     */
	    private static HttpClient getHttpClient() {
	        if (mHttpClient == null) {
	            mHttpClient = new DefaultHttpClient();
	            final HttpParams params = mHttpClient.getParams();
	            HttpConnectionParams.setConnectionTimeout(params, HTTP_TIMEOUT);
	            HttpConnectionParams.setSoTimeout(params, HTTP_TIMEOUT);
	            ConnManagerParams.setTimeout(params, HTTP_TIMEOUT);
	        }
	        return mHttpClient;
	    }

	    /**
	     * Performs an HTTP Post request to the specified url with the
	     * specified parameters.
	     *
	     * @param url The web address to post the request to
	     * @param postParameters The parameters to send via the request
	     * @return The result of the request
	     * @throws Exception
	     */
	    public static String executeHttpPost(String url, ArrayList<NameValuePair> postParameters) throws Exception {
	        BufferedReader in = null;
	        try {
	            HttpClient client = getHttpClient();
	            HttpPost request = new HttpPost(url);
	            UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(postParameters);
	            request.setEntity(formEntity);
	            HttpResponse response = client.execute(request);
	            in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
	            response.getParams();
	            StringBuffer sb = new StringBuffer("");
	            String line = "";
	            String NL = System.getProperty("line.separator");
	            while ((line = in.readLine()) != null) {
	                sb.append(line + NL);
	            }
	            in.close();

	            String result = sb.toString();
	            return result;
	        }
	        finally {
	            if (in != null) {
	                try {
	                    in.close();
	                } catch (IOException e) {
	                    e.printStackTrace();
	                }
	            }
	        }
	    }

	    /**
	     * Performs an HTTP GET request to the specified url.
	     *
	     * @param url The web address to post the request to
	     * @return The result of the request
	     * @throws Exception
	     */
	    public static String executeHttpGet(String url) throws Exception {
	        BufferedReader in = null;
	        try {
	            HttpClient client = getHttpClient();
	            HttpGet request = new HttpGet();
	            request.setURI(new URI(url));
	            HttpResponse response = client.execute(request);
	            in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

	            StringBuffer sb = new StringBuffer("");
	            String line = "";
	            String NL = System.getProperty("line.separator");
	            while ((line = in.readLine()) != null) {
	                sb.append(line + NL);
	            }
	            in.close();

	            String result = sb.toString();
	            return result;
	        }
	        finally {
	            if (in != null) {
	                try {
	                    in.close();
	                } catch (IOException e) {
	                    e.printStackTrace();
	                }
	            }
	        }
	    }
	}